473.Are you happy with this laboratory?
Not a little.We can't have _____.
A.a worse one
B.a nicer one
C.such a worse one
D.such a nice one
474.Of the two books,this one is _______ one,and it is also the one which has been put into ten languages.
A.a thinner
B.the thinnest
C.the thinner
D.a thinnest